Overview Package Class Use Tree Index Deprecated About
Prev Class | Next ClassFrames | No Frames
Summary: Nested | Field | Method | ConstrDetail: Nested | Field | Method | Constr

net.sourceforge.jtds.jdbc

Class TdsData.TypeInfo

Enclosing Class:
TdsData
private static class TdsData.TypeInfo
extends java.lang.Object
This class implements a descriptor for TDS data types;
Author:
Mike Hutchinson.

Field Summary

int
displaySize
The display size of the type.
boolean
isCollation
true if type requires TDS80 collation.
boolean
isSigned
true if type is a signed numeric.
int
jdbcType
The java.sql.Types constant for this data type.
int
precision
The precision of the type.
int
size
The size of this type or < 0 for variable sizes.
String
sqlType
The SQL type name.

Constructor Summary

TypeInfo(String sqlType, int size, int precision, int displaySize, boolean isSigned, boolean isCollation, int jdbcType)
Construct a new TDS data type descriptor.

Field Details

displaySize

public final int displaySize
The display size of the type.

-1 If the display size must be calculated from the buffer size.

isCollation

public final boolean isCollation
true if type requires TDS80 collation.

isSigned

public final boolean isSigned
true if type is a signed numeric.

jdbcType

public final int jdbcType
The java.sql.Types constant for this data type.

precision

public final int precision
The precision of the type.

If this is -1 precision must be calculated from buffer size eg for varchar fields.

size

public final int size
The size of this type or < 0 for variable sizes.

Special values as follows:

  1. -5 sql_variant type.
  2. -4 text, image or ntext types.
  3. -2 SQL Server 7+ long char and var binary types.
  4. -1 varchar, varbinary, null types.

sqlType

public final String sqlType
The SQL type name.

Constructor Details

TypeInfo

(package private)  TypeInfo(String sqlType,
                            int size,
                            int precision,
                            int displaySize,
                            boolean isSigned,
                            boolean isCollation,
                            int jdbcType)
Construct a new TDS data type descriptor.
Parameters:
sqlType - SQL type name.
size - Byte size for this type or < 0 for variable length types.
precision - Decimal precision or -1
displaySize - Printout size for this type or special values -1,-2.
isSigned - True if signed numeric type.
isCollation - True if type has TDS 8 collation information.
jdbcType - The java.sql.Type constant for this type.

Overview Package Class Use Tree Index Deprecated About
Generated on June 12 2008